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Více informací o knize Localized to Itinerant Electronic Transition in Perovskite Oxides

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Anotace knihy

Interest in the transition metal oxides with perovskite related structures goes back to the 1950s when the sodium tungsten bronzes NaxWO3 were shown to be metallic [1 ], the system Lal_xSr~MnO3 was found to contain a ferromagnetic conductive phase [2], and La0.sSr0.sCoO3 was reported to be a ferromagnetic metal, but with a peculiar magnetization of 1.5 #a/Co atom [3]. Stoichiometric oxide perovskites have the generic formula AMO3 in which the A site is at the center of a simple cubic array of M sites; the oxide ions form (180 ° 4)) M O M bridges to give an MO3 array of corner shared MO6/2 octahedra and the larger A cations have twelvefold oxygen coordination. Mismatch between the A O and M O equilibrium bond lengths introduces internal stresses. A compressive stress on the MO3 array is accommodated by a lowering of the M O M bond angle from 180 ° to (180 ° 4)); a tensile stress on the M O M bonds is accommodated by the formation of hexagonal polytypes [4].

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Zařazení knihy Knihy v angličtině Mathematics & science Chemistry Physical chemistry

• Plný název: Localized to Itinerant Electronic Transition in Perovskite Oxides
• Autor: John B. Goodenough, S.L. Cooper, T. Egami, J.B. Goodenough
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 239
• EAN: 9783642086960
• ISBN: 3642086969
• ID: 01653663
• Nakladatelství: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
• Hmotnost: 386 g
• Rozměry: 235 × 156 × 14 mm
• Datum vydání: 07. December 2010

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